Fluval M 50 Watt Submersible Aquarium Heater Heaters Levels above 420 mg/L are

Levels above 420 mg/L are not beneficial

Extend Range

H80 Tuna Flora

Exhaustion is indicated by a pronounced discoloration of the beads to a deep blue black color

Pumps can be enabled to run a gentler night time program simulating calmer ocean conditions for night time hours

Fluval M 50 Watt Submersible Aquarium Heater Heaters Levels above 420 mg/L areFluval M50 Premium Aquarium Heater is quality manufactured in Europe using superior components and construction. Sleek and compact, the submersible heater provides exceptional performance and unsurpassed reliability. The heater also includes an exclusive mirror technology that reflects the colors of the aquarium and enhances overall aesthetics. Key Features: Quality heater made in Europe using superior components and construction Sleek and compact